Diagnostic Procedure 10 (Pedal vibration and
noise)
INSPECTION START
1. Apply brake.
2. Start engine.
3. Does the symptom appear only when
engine is started?
No
EYe s
Carry out self-diagnosis.
Refer to BR-59.
CHECK IF SYMPTOM APPEARS.
Does the symptom appear when electrical
equipment switches (such as headlamp)
are operated?
Ye s
ENo
Go toin Diagnostic
Procedure 12, BR-81.
CHECK WHEEL SENSOR.
Check wheel sensor shield ground. For
location of shield ground, refer to wiring
diagram and ªHARNESS LAYOUTº in EL
section.
OK
ENG
Repair wheel sensor.
CHECK HARNESS CONNECTOR.
Check ABS actuator and electric unit pin
terminals for damage or the connection of
ABS actuator and electric unit harness
connector.
Reconnect ABS actuator and electric unit
harness connector. Then retest.
Note: ABS may operate and cause vibration under any of the
following conditions.
Diagnostic Procedure 11 (Long stopping
distance)
CHECK ABS PERFORMANCE
Disconnect ABS actuator and electric unit
connector and check whether stopping
distance is still long.
Ye s
ENo
Go toin Diagnostic
Procedure 12, BR-81.
Perform Preliminary Check and air bleed-
ing.
Note: Stopping distance may be larger than vehicles without
ABS when road condition is slippery.
SAT797AH
H
H
H
TROUBLE DIAGNOSES
BR-80
Basic Inspection
Precaution:
Perform Basic Inspection without electrical or mechanical
loads applied;
IShift lever is in neutral position,
IHeat up switch is OFF,
IHeadlamp switch is OFF,
IAir conditioner switch is OFF,
IRear defogger switch is OFF,
ISteering wheel is in the straight-ahead position, etc.
1 INSPECTION START
1. Check service records for any recent repairs that may indicate a related problem.
2. Check the current need for scheduled maintenance, especially for fuel filter and air cleaner filter. Refer to MA section.
3. Open engine hood and check the following:
IHarness connectors for improper connections
IVacuum hoses for splits, kinks, or improper connections
IWiring for improper connections, pinches, or cuts
SEF142I
4. Start engine and warm it up to the normal operating temperature.
EGO TO 2.
2 PREPARATION FOR CHECKING IDLE SPEED
With CONSULT-II
Connect CONSULT-II to the data link connector.
Without CONSULT-II
Install diesel tacho tester to the vehicle.
EGO TO 3.
TROUBLE DIAGNOSIS Ð BASIC INSPECTIONZD30DDTi
EC-50
Basic Inspection
Precaution:
Perform Basic Inspection without electrical or mechanical
loads applied;
IHeadlamp switch is OFF,
IAir conditioner switch is OFF,
IRear defogger switch is OFF,
ISteering wheel is in the straight-ahead position, etc.
BEFORE STARTING
1. Check service records for any recent
repairs that may indicate a related
problem, or the current need for
scheduled maintenance.
2. Open engine hood and check the fol-
lowing:
IHarness connectors for improper con-
nections
IVacuum hoses for splits, kinks, or
improper connections
IWiring for improper connections,
pinches, or cuts
3.Using priming pump, bleed air from fuel
system. Refer to ªFuel Filter Checkº in
MA section.
CONNECT CONSULT-II TO THE
VEHICLE.
Connect ªCONSULT-IIº to the data link
connector for CONSULT-II and select
ªENGINEº from the menu.
DOES ENGINE START?
Ye s
ENo
Turn ignition switch to
ªLOCKº position, wait 5
seconds and then start
engine. If engine fails to
start, check diagnostic
trouble code (DTC).
Run engine for 10 minutes.
CHECK IDLE SPEED.
Read engine idle speed in ªDATA
MONITORº mode with CONSULT-II.
725 rpm 50 (in N position)
------------------------------------------------------------------------------------------------------------------------------------OR------------------------------------------------------------------------------------------------------------------------------------
Check idle speed using tachometer
tester.
725 rpm 50 (in N position)
(Go toqAon next page.)
SEF142I
NEF463
YEC237A
NEF464
SEF817Y
H
H
H
H
H
TROUBLE DIAGNOSESTD27Ti
EC-338
ELECTRICAL SYSTEM
SECTION
EL
When you read wiring diagrams:
IRead GI section, ªHOW TO READ WIRING DIAGRAMSº.
CONTENTS
HARNESS CONNECTOR................................................3
Description ...................................................................3
STANDARDIZED RELAYS..............................................4
Description ...................................................................4
POWER SUPPLY ROUTING...........................................6
Schematic ....................................................................6
Wiring Diagram - POWER - ........................................8
Fuse ...........................................................................17
Fusible Link................................................................17
Circuit Breaker Inspection .........................................17
GROUND DISTRIBUTION.............................................18
COMBINATION SWITCH...............................................23
Check .........................................................................23
Replacement ..............................................................24
STEERING SWITCH......................................................25
Check .........................................................................25
HEADLAMP - Without Daytime Light System -.........26
Wiring Diagram - H/LAMP -.......................................26
HEADLAMP - Daytime Light System -.......................29
Operation ...................................................................29
Schematic ..................................................................30
Wiring Diagram - DTRL - ...........................................31
HEADLAMP - Headlamp Aiming Control -.................37
Description .................................................................37
Replacing Headlamp Aiming Actuator .......................38
Wiring Diagram - H/AIM - ..........................................39
Trouble Diagnoses.....................................................42
HEADLAMP...................................................................43
Bulb Replacement .....................................................43
Aiming Adjustment .....................................................43
EXTERIOR LAMP..........................................................45
Wiring Diagram - TAIL/L - ..........................................45
Wiring Diagram - STOP/L - .......................................48
Wiring Diagram - BACK/L - .......................................49
Wiring Diagram - F/FOG - .........................................51
Front Fog Lamp Aiming Adjustment ..........................53
Wiring Diagram - R/FOG -.........................................54
Schematic ..................................................................55Wiring Diagram - TURN - ..........................................56
Bulb Specifications ....................................................60
INTERIOR LAMP...........................................................61
Schematic ..................................................................61
Wiring Diagram - ILL - ...............................................62
Wiring Diagram - INT/L - ...........................................66
METER AND GAUGES.................................................70
Combination Meter ....................................................70
Schematic ..................................................................71
Wiring Diagram - METER - .......................................72
Combination Meter Self-Diagnosis ............................76
Components Inspection .............................................78
Trouble Diagnoses.....................................................79
Fuel Tank Gauge Unit Check ....................................80
Thermal Transmitter Check .......................................80
Oil Pressure Switch Check ........................................80
WARNING LAMPS AND CHIME...................................81
Schematic ..................................................................81
Wiring Diagram - WARN - .........................................82
Diode Check ..............................................................92
Wiring Diagram - CHIME - ........................................93
WIPER AND WASHER..................................................94
Wiring Diagram - WIPER - ........................................94
Wiring Diagram - WIP/R -..........................................96
Installation ..................................................................98
Washer Nozzle Adjustment .......................................99
Check Valve ...............................................................99
Wiring Diagram - HLC - ...........................................100
HORN, CIGARETTE LIGHTER AND CLOCK............104
Wiring Diagram - HORN - .......................................104
Wiring Diagram - CIGAR -.......................................105
Wiring Diagram - CLOCK -......................................106
REAR WINDOW DEFOGGER AND DOOR
MIRROR DEFOGGER.................................................107
Wiring Diagram - DEF - ...........................................107
Filament Check ........................................................109
Filament Repair ....................................................... 110
AUDIO.......................................................................... 111
EFC HARNESS LHD MODELS
GROUND CONNECT TOCONN.
NO.CELL CODE
F129/F128 4WD SWITCH (TD27Ti) E150 EL-WARN
BRAKE SWITCH F101 EC-BRK/SW
DATA LINK CONNECTOR F115 EC-MIL/DL
ECM F134EC-MAIN, EC-VSS, EC-BRK/SW,
EC-MIL/DL
NATS IMMU (TD27Ti) F58 EL-NATS
VEHICLE SPEED SENSOR E140 EC-VSS, EL-METER
F47/F36 AIR BAG DIAGNOSIS SENSOR UNIT B106 RS-SRS
BRAKE FLUID LEVEL SWITCH F3 EL-WARN
COMBINATION METER F118EC-VSS, AT-VSSMTR, EL-H/LAMP,
EL-DTRL, EL-F/FOG, EL-R/FOG,
EL-ILL, EL-TURN, EL-METER,
EL-WARN, EL-CLOCK, BR-ABS,
RS-SRS
COOLING FAN MOTOR F40 EC-COOL/F
DATA LINK CONNECTOR F115 EC-MIL/DL, AT-NONDTC
FRONT FOG LAMP LH F44 EL-F/FOG
FRONT TURN SIGNAL LAMP LH F37 EL-TURN, EL-THEFT
FUSE BLOCK (J/B) F114EL-F/FOG, EL-INT/L, EL-TURN,
EL-CHIME, EL-DEF, EL-SROOF,
EL-WINDOW, EL-D/LOCK, EL-S/
LOCK, EL-MULTI, EL-THEFT,
HA-A/C, M, HA-HEATER
HAZARD SWITCH (TYPE 1) F140 EL-TURN
HAZARD SWITCH (TYPE 2) F152 EL-TURN
HEADLAMP AIMING MOTOR LH F43 EL-H/AIM
HEADLAMP CLEANER MOTOR F103 EL-HLC
HEADLAMP LH F42 EL-H/LAMP, EL-DTRL
HEADLAMP RELAY LH F111 EL-H/LAMP, EL-DTRL
PARKING LAMP LH F41 EL-TAIL/L
SIDE TURN SIGNAL LAMP LH F104 EL-TURN, EL-THEFT
F53 AUDIO UNIT (TYPE 1) F139 EL-ILL, EL-AUDIO
AUDIO UNIT (TYPE 2) F153 EL-ILL, EL-AUDIO, EL-REMOTE
CD AUDIO CHANGER F155 EL-AUDIO
F2 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) F29 BR-ABS
EFC HARNESS RHD MODELS
GROUND CONNECT TOCONN.
NO.CELL CODE
F47/F36 FRONT FOG LAMP LH F44 EL-F/FOG
FRONT TURN SIGNAL LAMP LH F37 EL-TURN, EL-THEFT
HEADLAMP AIMING MOTOR LH F43 EL-H/AIM
HEADLAMP CLEANER MOTOR F103 EL-HLC
HEADLAMP LH F42 EL-H/LAMP
HEADLAMP RELAY LH F111 EL-H/LAMP
PARKING LAMP LH F41 EL-TAIL/L
SIDE TURN SIGNAL LAMP LH F104 EL-TURN, EL-THEFT
F2 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) F29 BR-ABS
GROUND DISTRIBUTION
EL-18
MAIN HARNESS LHD MODELS
GROUND CONNECT TOCONN.
NO.CELL CODE
M754/M33
A/C CONTROL PANEL (FAN SWITCH) M770EC-A/CCUT, HA-A/C, M,
HA-HEATER
A/C CONTROL PANEL M771EL-ILL, EL-DEF, HA-A/C, M, HA-
HEATER
A/T MODE SWITCH M732 AT-NONDTC
ACCESSORY RELAY M803 EL-CIGAR
AMBIENT LIGHT CONSOLE M769 EL-ILL
ASHTRAY ILLUMINATION M137 EL-ILL
CIGARETTE LIGHTER SOCKET M141 EL-CIGAR
COMBINATION SWITCH (TURN SIGNAL SWITCH) M817 EL-TURN
COMBINATION SWITCH (WIPER AND WASHER SWITCH) M816 EL-WIPER, EL-WIP/R, EL-HLC
COOLING FAN MOTOR M19 EC-COOL/F
DAYTIME LIGHT CONTROL UNIT M34 EL-DTRL
FRONT FOG LAMP RH M38 EL-F/FOG
FRONT WIPER MOTOR M27 EL-WIPER
FRONT TURN SIGNAL LAMP RH M39 EL-TURN, EL-THEFT
FUEL FILTER SWITCH M26 EC-MIL/DL, EL-WARN
GLOVE BOX LAMP SWITCH M143 EL-ILL
HEADLAMP AIMING MOTOR RH M41 EL-H/AIM
HEADLAMP RELAY RH M824 EL-H/LAMP, EL-DTRL
HEADLAMP RH M42 EL-H/LAMP, EL-DTRL
HOOD SWITCH M84 EL-THEFT
PARK/NEUTRAL POSITION RELAY M729 EC-PNP/SW, SC-START
PARKING LAMP RH M43 EL-TAIL/L
REAR FOG LAMP RELAY M820 EL-R/FOG
SIDE TURN SIGNAL LAMP RH M801 EL-TURN, EL-THEFT
GROUND DISTRIBUTION
EL-19
MAIN HARNESS RHD MODELS
GROUND CONNECT TOCONN.
NO.CELL CODE
M846/M845 4WD SWITCH (TD27Ti) E150 EL-WARN
BRAKE SWITCH M750 EC-BRK/SW
DATA LINK CONNECTOR M832 EC-MIL/DL
DONGLE CONTROL UNIT (TD27Ti) M720 EL-AUDIO, EL-NATS
ECM M852EC-MAIN, EC-VSS, EC-BRK/SW,
EC-MIL/DL
NATS IMMU (TD27Ti) M831 EL-NATS
VEHICLE SPEED SENSOR E140 EC-VSS, EL-METER
M754/M33
A/C CONTROL PANEL (FAN SWITCH) M770EC-A/CCUT, HA-A/C, M,
HA-HEATER
A/C CONTROL PANEL M771EL-ILL, EL-DEF, HA-A/C, M,
HA-HEATER
A/T MODE SWITCH M732 AT-NONDTC
ACCESSORY RELAY M803 EL-CIGAR
AIR BAG DIAGNOSIS SENSOR UNIT B106 RS-SRS
AMBIENT LIGHT CONSOLE M769 EL-ILL
ASHTRAY ILLUMINATION M137 EL-ILL
BRAKE FLUID LEVEL SWITCH M507 EL-WARN
CIGARETTE LIGHTER SOCKET M141 EL-CIGAR
COMBINATION METER M837EC-VSS, AT-VSSMTR, EL-H/LAMP,
EL-F/FOG, EL-R/FOG, EL-ILL,
EL-TURN, EL-METER, EL-WARN,
EL-CLOCK, BR-ABS, RS-SRS
COMBINATION SWITCH (TURN SIGNAL SWITCH) M817 EL-TURN
COMBINATION SWITCH (WIPER AND WASHER SWITCH) M816 EL-WIPER, EL-WIP/R, EL-HLC
COOLING FAN MOTOR M19 EC-COOL/F
DATA LINK CONNECTOR M832 EC-MIL/DL, AT-NONDTC
FRONT FOG LAMP RH M38 EL-F/FOG
FRONT TURN SIGNAL LAMP RH M39 EL-TURN, EL-THEFT
FRONT WIPER MOTOR M502 EL-WIPER
FUSE BLOCK (J/B) M835EL-F/FOG, EL-INT/L, EL-TURN,
EL-CHIME, EL-DEF, EL-SROOF,
EL-WINDOW, EL-S/LOCK,
EL-MULTI, EL-THEFT, HA-A/C, M,
HA-A/C, M, HA-HEATER
GLOVE BOX LAMP SWITCH M143 EL-ILL
HAZARD SWITCH (TYPE 1) M855 EL-TURN
HAZARD SWITCH (TYPE 2) M873 EL-TURN
HEADLAMP AIMING MOTOR RH M41 EL-H/AIM
HEADLAMP RELAY RH M824 EL-H/LAMP
HEADLAMP RH M42 EL-H/LAMP
HOOD SWITCH M84 EL-THEFT
PARK/NEUTRAL POSITION RELAY M729 EC-PNP/SW, SC-START
PARKING LAMP RH M43 EL-TAIL/L
REAR FOG LAMP RELAY M820 EL-R/FOG
SIDE TURN SIGNAL LAMP RH M801 EL-TURN, EL-THEFT
ULTRASONIC CANCEL SWITCH M117 EL-THEFT
M761 AUDIO UNIT (TYPE 1) M854 EL-ILL, EL-AUDIO
AUDIO UNIT (TYPE 2) M874 EL-ILL, EL-AUDIO, EL-REMOTE
CD AUTO CHANGER M876 EL-AUDIO
GROUND DISTRIBUTION
EL-20
Wiring Diagram Ð H/LAMP Ð
LHD MODELS
YEL058D
HEADLAMP Ð Without Daytime Light System Ð
EL-26